Acrylic Paint Pens Set of 12, 1 mm Tip Acrylic Paint Pens for Rock, Glass, Wood,

Multipurpose Acrylic Pens: Aartigo Acrylic Paint Pens can work on any surface and can be used in variety of ways. Acrylic Paint Pens Fine Tip: With 1 mm nib size you can use it for writing, drawing, or even colouring, it is a right size nib to do it all.

eBay